adding
subtraction
100
1,126
What is 291+835
100
10
What is 45-35
200
1,910
What is 1,860+50
200
7
What is 53-46
300
5,639
What is 3,614+2,025
300
119
What is 368-249
400
6,390
What is 5,897+493
400
360
What is 1,841-1,481
500
42,436
What is 40,673+1,763
500
1,021
What is 4,063-3,042
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